<template>
  <div class="my-counter">
    <button :disabled="good.goods_count<=1" @click="good.goods_count--"
    type="button" class="btn btn-light" >-</button>
    <input type="number"
    @blur="countChange"
    v-model.number="good.goods_count"
     class="form-control inp" >
    <button 
     @click="good.goods_count++"
    type="button" class="btn btn-light">+</button>
  </div>
</template>

<script>
export default {
  props: {
  good:Object
},
methods:{
  // 判断输入的不能是负数 
  countChange(){
    if(this.good.goods_count<1){
      this.good.goods_count = 1
    }
  }

}
}
</script>

<style lang="less" scoped>
.my-counter {
  display: flex;
  .inp {
    width: 45px;
    text-align: center;
    margin: 0 10px;
  }
  .btn, .inp{
    transform: scale(0.9);
  }
}
</style>